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Literals.cs

//
// Literals.cs
//
// Author:
//   Aaron Bockover <abockover@novell.com>
//
// Copyright (C) 2007-2008 Novell, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;

namespace Hyena.SExpEngine
{
00033     public class LiteralNodeBase : TreeNode
    {
        private Type type = null;

        public Type EnclosedType {
            get { return type ?? GetType(); }
            set { type = value; }
        }
    }

00043     public class LiteralNode<T> : LiteralNodeBase
    {
        private T value;

        public LiteralNode(T value)
        {
            this.value = value;
            EnclosedType = typeof(T);
        }

        public override string ToString()
        {
            return Value.ToString();
        }

        public T Value {
            get { return value; }
        }
    }

    // Literal Types

00065     public class VoidLiteral : LiteralNodeBase
    {
        public override string ToString()
        {
            return "void";
        }
    }

00073     public class DoubleLiteral : LiteralNode<double>
    {
        private static System.Globalization.CultureInfo culture_info = new System.Globalization.CultureInfo("en-US");

        public DoubleLiteral(double value) : base(value)
        {
        }

        public override string ToString()
        {
            return (Value - (int)Value) == 0.0
                ? String.Format("{0}.0", Value.ToString(culture_info))
                : Value.ToString(culture_info);
        }
    }

00089     public class BooleanLiteral : LiteralNode<bool>
    {
        public BooleanLiteral(bool value) : base(value)
        {
        }

        public override string ToString()
        {
            return Value ? "true" : "false";
        }
    }

00101     public class IntLiteral : LiteralNode<int>
    {
        public IntLiteral(int value) : base(value)
        {
        }
    }

00108     public class StringLiteral : LiteralNode<string>
    {
        public StringLiteral(string value) : base(value)
        {
        }
    }
}

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